IRIDIUM 172, 43927
Orbit data source: Space-Track
IRIDIUM 172, 43927 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 11 Jan 2019 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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43927 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
NGIS SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 IRIDIUM 172
1 43927U 19002F 26088.08609906 .00000105 00000-0 30270-4 0 9991
2 43927 86.4007 27.0358 0002218 81.2150 278.9297 14.34218042377489Epoch: 2026-03-29T02:03Z
TLE epoch observation values (Epoch: 2026-03-29T02:03:58.958Z)
Latitude
-0.00003°
Longitude
169.5431°
Altitude
780.471 km
Speed
7.464 km/s
True Right ascension
01h 48m 08s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
17:05:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.217 km
Perigee altitude
773.044 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.4007°
RAAN
27.0358°
Arg. of periapsis
81.215°
True anomaly
278.90459°
Mean anomaly
278.9297°
Eccentric anomaly
278.91715°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.00003027
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Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.IRIDIUM 172 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-03-30 20:02:23.012Z | 165.999° S | 2026-03-30 20:06:23.012Z | 110.771° ESE | 40.465° | 2026-03-30 20:11:23.012Z | 11.056° NNE |
| 4 mins | 2026-03-30 21:46:23.012Z | 265.927° W | 2026-03-30 21:48:23.012Z | 291.668° WNW | 14.215° | 2026-03-30 21:50:23.012Z | 315.489° NNW |
| 4 mins | 2026-03-31 06:35:23.012Z | 55.942° ENE | 2026-03-31 06:36:23.012Z | 68.867° E | 14.845° | 2026-03-31 06:39:23.012Z | 106.311° ESE |
| 8 mins | 2026-03-31 08:14:23.012Z | 344.466° N | 2026-03-31 08:18:23.012Z | 248.932° W | 39.532° | 2026-03-31 08:22:23.012Z | 195.427° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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